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Claws Mail alternatives · Email

Claws Mail alternatives with a Mac app

The Claws Mail listing does not include a Mac app. 43 of the 125 other email apps in this directory list a Mac app.

Claws Mail is free to use. 26 of them are free or have a free plan.

43 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

The 12 closest to Claws Mail

  1. Thunderbird

    Free, open-source email app for Windows, macOS, Linux and Android

    • Thunderbird is free. Claws Mail is free.
    • Only Thunderbird lists macOS and Android apps.
    • Thunderbird also covers tasks and calendar.
    • Claws Mail also covers inbox filtering.
    Thunderbird vs Claws MailThunderbird pricing and details

  2. Betterbird

    A fork of Thunderbird with extra features and bug fixes

    • Betterbird is free. Claws Mail is free.
    • Only Betterbird lists a macOS app.
    • Betterbird also covers calendar.
    • Claws Mail also covers inbox filtering.
    Betterbird vs Claws MailBetterbird pricing and details

  3. Mailspring

    Open-source desktop email client for Mac, Windows and Linux

    • Mailspring starts at $8 per month, or $85 per year (Mailspring Pro). Claws Mail is free.
    • Only Mailspring lists a macOS app.
    • Mailspring also covers templates.
    • Claws Mail also covers inbox filtering.
    Mailspring vs Claws MailMailspring pricing and details

  4. MailMate

    Keyboard-driven IMAP email client for macOS with Markdown composing

    • MailMate starts at $10 every 3 months (local-currency equivalent plus any VAT). Claws Mail is free.
    • Claws Mail has a free plan. MailMate does not, though it has a free trial.
    • Only MailMate lists a macOS app.
    • Only Claws Mail lists Linux and Windows apps.
    MailMate vs Claws MailMailMate pricing and details

  5. aerc

    Terminal email client with Vim-style keys and git-email support

    • aerc is free. Claws Mail is free.
    • Only aerc lists a macOS app.
    • Only Claws Mail lists a Windows app.
    • Claws Mail also covers inbox filtering.
    aerc vs Claws Mailaerc pricing and details

  6. NeoMutt

    Command-line mail reader forked from Mutt with extra features

    • NeoMutt is free. Claws Mail is free.
    • Only NeoMutt lists a macOS app.
    • Only Claws Mail lists a Windows app.
    • Claws Mail also covers inbox filtering.
    NeoMutt vs Claws MailNeoMutt pricing and details

  7. Sylpheed

    Lightweight desktop email client built on GTK+

    • Sylpheed is free. Claws Mail is free.
    • Only Sylpheed lists a macOS app.
    Sylpheed vs Claws MailSylpheed pricing and details

  8. Inbox Zero

    Open source AI email assistant for Gmail and Outlook

    • Inbox Zero starts at $18 per user / month, billed annually ($20 billed monthly). Claws Mail is free.
    • Claws Mail has a free plan. Inbox Zero does not, though it has a free trial.
    • Only Inbox Zero lists a web app.
    • Only Inbox Zero lists macOS, iOS and Android apps.
    Inbox Zero pricing and details

  9. Superhuman Mail

    Keyboard-driven email client for Gmail and Outlook with built-in AI

    • Superhuman Mail starts at $25 per member / month, billed annually ($30 billed monthly). Claws Mail is free.
    • Claws Mail has a free plan. Superhuman Mail does not.
    • Only Superhuman Mail lists a web app.
    • Only Superhuman Mail lists macOS, iOS and Android apps.
    Superhuman Mail pricing and details

  10. Shortwave

    AI email client for Gmail with an assistant, filters and split inbox

    • Shortwave starts at $18 per seat / month (Pro, the individual plan). Claws Mail is free.
    • Only Shortwave lists a web app.
    • Only Shortwave lists macOS, iOS and Android apps.
    • Only Claws Mail lists a Linux app.
    Shortwave pricing and details

  11. Proton Mail

    End-to-end encrypted email service based in Switzerland

    • Proton Mail starts at $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly. Claws Mail is free.
    • Only Proton Mail lists a web app.
    • Only Proton Mail lists macOS, iOS and Android apps.
    • Proton Mail is end-to-end encrypted, according to its own site.
    Proton Mail pricing and details

  12. Microsoft Outlook

    Microsoft's email and calendar app for desktop, mobile and web

    • Microsoft Outlook starts at $1.99 per month, or $19.99 per year (Microsoft 365 Basic). Claws Mail is free.
    • Only Microsoft Outlook lists a web app.
    • Only Microsoft Outlook lists macOS, iOS and Android apps.
    • Only Claws Mail lists a Linux app.
    Microsoft Outlook pricing and details

31 more that list a Mac app

All 43 in one table

Common questions

Which Claws Mail alternatives have a Mac app?

Thunderbird, Betterbird, Mailspring, MailMate, aerc, NeoMutt, Sylpheed, Inbox Zero and 35 more list a Mac app.

Does Claws Mail have a Mac app?

The Claws Mail listing does not include a Mac app. It lists Windows and Linux.

Which of these email apps are free?

Thunderbird, Betterbird, Mailspring, aerc, NeoMutt, Sylpheed, Shortwave, Proton Mail and 18 more are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 4, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Claws Mail: the alternatives its listing names first, then the tools that share the most features with it.